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Marvin Pritts, a professor of horticulture at Cornell University, asserts that less than 0.1% of Americans have likely ever eaten a blackcurrant. [3] Their rarity in the United States contrasts with the situation in Europe, which produces 99.1% of the world's blackcurrant crop, and where blackcurrant is a popular flavor of squash (cordial).
The blackcurrant (Ribes nigrum), also known as black currant or cassis, [a] is a deciduous shrub in the family Grossulariaceae grown for its edible berries. It is native to temperate parts of central and northern Europe and northern Asia, where it prefers damp fertile soils.
Removal of Ribes used to be practiced in full force, which heavily affected blackcurrant production in the United States, however through a combination of the pathogen's hardiness and ability to travel airborne for nine hundred feet, as well as the Ribes ability to regrow from an extremely small root portion, researchers have focused their ...
The U.S. economy was primarily agricultural in the early 19th century. [8] [9] Westward expansion, including the Louisiana Purchase and American victory in the War of 1812 plus the building of canals and the introduction of steamboats opened up new areas for agriculture. Most farming was designed to produce food for the family, and service ...
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The cotton industry in the United States hit a crisis in the early 1920s. Cotton and tobacco prices collapsed in 1920 following overproduction and the boll weevil pest wiped out the sea island cotton crop in 1921. Annual production slumped from 1,365,000 bales in the 1910s to 801,000 in the 1920s. [23]
Humans have traded useful plants from distant lands for centuries, and plant hunters have been sent to bring plants back for cultivation. Human agriculture has had two important results: the plants most favoured by humans came to be grown in many places and (2) gardens and farms have provided some opportunities for plants to interbreed that would not have been possible for their wild ancestors.
Records from the Warring States, Qin dynasty, and Han dynasty provide a picture of early Chinese agriculture from the 5th century BC to 2nd century AD which included a nationwide granary system and widespread use of sericulture. An important early Chinese book on agriculture is the Qimin Yaoshu of AD 535, written by Jia Sixie. [88]